Respuesta :

bradye
Alright, the answer is r=-2.
1. [tex]8=4(r+4)[/tex]
2. [tex]8 = 4r + 16[/tex]
3. [tex]-8 = 4r[/tex]
4. [tex]-2 = r[/tex]

1. Start
2. Distributive property
3. Subtract 16 from both sides
4. Divide both sides by 4